CN215352375U

CN215352375U - Oil filter with high detection precision effect

Info

Publication number: CN215352375U
Application number: CN202120437050.1U
Authority: CN
Inventors: 路建伟; 刘威; 王潘峰
Original assignee: Kunshan Wsd Environmental Protection Equipment Co ltd
Current assignee: Kunshan Wsd Environmental Protection Equipment Co ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-12-31
Anticipated expiration: 2031-03-01

Abstract

The present invention relates to an oil filter having a high detection accuracy effect, comprising: the vacuum processing system comprises an evaporation tank with a cavity and a pressure reducing device for reducing the pressure inside the evaporation tank; the heating and condensing circulating system is connected with the evaporating tank and is used for heating the oil entering the evaporating tank and condensing the generated steam; the filtration system, filtration system connects the evaporating pot to be used for filtering fluid, including the high-pressure pump that is used for the oil extraction among the filtration system, the high-pressure pump is connected the evaporating pot. The equipment can control the temperature and the flow of the oil liquid, reduces the influence of bubbles in the oil liquid on the detection device to the maximum extent, does not need to carry out multiple cycles, saves energy and reduces cost.

Description

Oil filter with high detection precision effect

Technical Field

The utility model relates to an oil filter with a high detection precision effect, and belongs to the field of environment-friendly equipment.

Background

At present, oil filters are widely applied to industries such as petrifaction, petroleum, coal, electric power, military machinery and the like, and are special equipment for removing water and gas in oil. The condition that the water and the mechanical impurities are mixed into the mechanically used oil in the transportation, storage and use processes can be effectively prevented. As is known to all, impure oil has certain influence on the performance and service life of mechanical equipment, and the mixed water can cause the corrosion of the metal surface and reduce the viscosity of the oil; the mixed impurities may wear the working surface, leaving a flaw or the like on the working surface.

The vacuum oil filter is a filter set which removes solid impurities and water in impure oil by using a vacuum evaporation-filter element filtering method. The vacuum oil filter mainly comprises a vacuum separator, a pressure reducing device, an oil discharge pump, a coarse filter, a fine filter and the like, wherein the pressure reducing device, the oil discharge pump, the coarse filter, the fine filter and the like are connected with the vacuum separator through pipelines. The oil is purified in the vacuum separator, the water vapor in the oil is discharged through the pressure reducing device, the purification of the oil is realized, and the purified oil is discharged through the oil pump.

However, the conventional vacuum oil filter generally adopts a smaller evaporation chamber and a conventional spray head for spraying, so that moisture in oil cannot be fully evaporated, the moisture content in the oil cannot be rapidly reduced, the conventional equipment cannot meet the qualified requirement by once filtration at present, the vacuum oil filter equipment of the conventional equipment generally has high energy consumption and low water removal efficiency, and when oil is subjected to oil-water separation in the conventional vacuum separator, a large amount of foam is generated, a large amount of defoaming agent is required to be consumed, the property of the oil can be changed, and the treatment efficiency is reduced.

Specifically, the existing vacuum oil filter has the following problems:

(1) when the existing oil filter is used for oil-water separation, oil needs to be heated to a high temperature, high-temperature oil carries a large amount of compound additives in the oil when being evaporated, the performance of the oil is greatly reduced, and the high-temperature oil enters equipment to cause deformation or damage of a mechanical structure, so that the service life of the equipment is undoubtedly reduced, and the treatment cost is increased;

(2) the existing oil filter generally adopts a smaller evaporation chamber and a conventional spray head for spraying, so that the moisture in oil cannot be fully evaporated, the moisture content in the oil cannot be rapidly reduced, and the treatment efficiency is low;

(3) when the existing oil filter is used for oil-water separation, a large amount of foam is generated when oil is evaporated, a large amount of defoaming agent is consumed, the treatment efficiency is reduced, and the performance of the defoaming agent on oil is changed, so that a small amount of pollution is caused to oil products;

(4) when the existing oil filter is used for oil-water separation, the water removal effect is mostly achieved by adopting multiple internal circulations, so that the treatment energy consumption is greatly increased, and the purpose of synchronous online treatment and synchronous use cannot be achieved;

(5) when the existing oil filter is used for oil-water separation, oil inlet and outlet are mostly controlled by an inlet and outlet switch valve, so that partial heat of a heat exchanger or a heater cannot be completely and effectively utilized, and the aim of quickly separating oil from water cannot be fulfilled;

(6) when the existing oil filter is used for oil-water separation, a laser particle counter is often adopted to detect the content of impurities in oil, but the influence of bubbles in the oil on the detection precision is not considered.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an oil filter with high detection precision, which can control the temperature and flow of oil, reduce the influence of bubbles in the oil on a detection device to the maximum extent, avoid repeated circulation, save energy and reduce cost.

In order to achieve the purpose, the utility model provides the following technical scheme: an oil filter having an effect of high detection accuracy, comprising:

the vacuum processing system comprises an evaporation tank with a cavity and a pressure reducing device for reducing the pressure inside the evaporation tank;

the heating and condensing circulating system is connected with the evaporating tank and is used for heating the oil entering the evaporating tank and condensing the generated steam;

the filtration system, filtration system connects the evaporating pot to be used for filtering fluid, including the high-pressure pump that is used for the oil extraction among the filtration system, the high-pressure pump is connected the evaporating pot.

Further, the heating and condensing circulation system comprises a heating device, a plate heat exchanger, a condensing device and a condenser, and a heat exchange medium flows through the heating and condensing circulation system.

Further, the heating device is a compressor, the condensing device is an expansion valve, and the compressor and the expansion valve are respectively connected with the plate heat exchanger and the condenser to form a circulating pipeline.

Further, the condenser is connected with a distilled water circulating system, and the pressure reducing device is arranged on the distilled water circulating system; the condenser comprises an outer cylinder communicated with the distilled water circulating system, a middle cylinder arranged in the outer cylinder and a cold water pipe group arranged in the middle cylinder and communicated with the evaporating tank; the distilled water circulating system is connected with the outer cylinder and the cold water pipe group so as to circularly cool the distilled water entering the condenser in the tank.

Further, the pressure reducing device comprises a water ejector and a centrifugal water pump which are arranged on the distilled water circulating system.

Further, be provided with defoaming diversion system in the evaporating pot, defoaming diversion system includes water conservancy diversion subassembly and water conservancy diversion pipeline.

Further, the flow guide assembly comprises a plurality of flow guide seal heads which are arranged in a stacked mode.

Furthermore, the evaporating pot comprises an upper pot body and a lower pot body which are opposite, a steam outlet is formed in the head of the upper pot body, and a concentrated liquid outlet is formed in the bottom of the lower pot body.

Furthermore, filtration system still including setting up coarse filtration device, smart filter equipment and detection device, the high-pressure pump with fluid shallot derive in the evaporating pot extremely in the smart filter equipment, detect by detection device again.

Compared with the prior art, the utility model has the beneficial effects that:

1) by utilizing the refrigeration principle of a compressor, the refrigerant is communicated between a plate heat exchanger and a condenser, and the liquefying process and the vaporizing process of the refrigerant are fully applied, so that the heating of waste oil and the cooling of distilled water are respectively realized, the energy transfer in the conversion process of each physical phenomenon is fully utilized, and the requirement on external energy is saved;

2) the oil liquid circulates, when the pressure reducing device quickly enables the evaporating pot to reach a vacuum state, the oil liquid controls the temperature and the flow of the oil liquid through the proportional valve, the flowmeter, the temperature sensor and the trace moisture sensor, so that the oil liquid can reach the evaporating state after entering the evaporating pot, the energy loss is greatly saved, the oil liquid can reach a qualified state through single pass through the setting of all parameters, and the oil requirements of customers can be met through online filtration and water removal at one time;

3) if the oil standard of the client is very high, the oil liquid circulating pipeline is combined with a pressure reducing device to enable the distilled water to continuously and repeatedly exchange heat with the refrigerant in the middle cylinder to realize circulating water removal and filtration, so that the discharged oil meets the client requirement;

4) the heating tank and the condenser serve as a heat exchanger and a storage, so that the manufacturing cost is greatly reduced, and the economy is improved;

5) the evaporation tank is internally provided with a plurality of stacked flow guide seal heads, so that the evaporation efficiency of water in the waste oil heated by the heating tank in the evaporation tank is greatly improved, and the one-time evaporation amount is greatly increased, thereby further improving the waste oil treatment efficiency and indirectly reducing the energy consumption;

6) the number of the flow guide end enclosures can be increased or decreased according to the actual situation by the aid of the stacked flow guide end enclosures, the device is convenient to combine, and the cost is low; the diversion seal head can prevent the bottom of the evaporation tank from generating more foams, and the oil-water separation efficiency is improved;

7) the high-pressure pump is arranged to eliminate air bubbles in the oil liquid, and the influence of the air bubbles on the detection device is reduced to the minimum.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

Fig. 1 is a schematic control flow diagram of an oil filter with high detection accuracy according to a preferred embodiment of the present invention.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

It should be noted that: the terms "upper", "lower", "left", "right", "inner" and "outer" of the present invention are used for describing the present invention with reference to the drawings, and are not intended to be limiting terms.

Referring to fig. 1, the oil filter with high detection accuracy according to a preferred embodiment of the present invention includes a vacuum processing system, a heating and condensing cycle system, a defoaming and guiding system, and a filtering system, wherein the vacuum processing system includes an evaporation tank 17, a condensing system 22 connected to the evaporation tank 17, and a pressure reducing device 20 connected to the condensing system 22 and communicating with the evaporation tank 17. A defoaming and flow guiding system is arranged in the evaporating pot 17 and comprises a plurality of flow guiding end sockets, wherein the flow guiding assemblies 27 are arranged in a stacked manner; each of the stacked flow guide end sockets comprises a pipe connecting with the end socket and an end socket (not shown).

The heating and condensing circulating system comprises a compressor 24 (heating device), a heating and condensing circulating system formed by connecting an oil separator (not shown) connected with the compressor 24 with a one-way valve 25, a plate heat exchanger 4, an air-cooled condenser 26, an expansion valve 21 (condensing device), a condenser 22 and a gas-liquid separator 23, wherein the heating and condensing circulating system is also connected with a part of sensors (not shown) in the middle, the refrigerant performs refrigeration work on low temperature and low pressure through the compressor 24 to generate high temperature and high pressure refrigerant, the high temperature and high pressure refrigerant passes through the oil separator (not shown), the one-way valve 25 and the plate heat exchanger 4 perform heat exchange on oil liquid at the other end, so that the oil liquid is heated to an evaporation state, the refrigerant after heat exchange passes through the air-cooled condenser 26, the expansion valve 21 and the liquid refrigerant with medium temperature and high pressure are vaporized and converted into low temperature and low pressure gaseous refrigerant, and simultaneously absorb a large amount of external heat, and pass through the condenser 22, and discharging the water vapor condensate water separated from the oil liquid.

Specifically, the oil filter comprises a proportional valve 3, a flowmeter 7, a temperature sensor 5, a trace moisture sensor 18, switch control valves 6 and 13, a negative pressure sensor 14, a plate heat exchanger 4, an evaporation tank 17 and a high-pressure pump 12, when the vacuum pumping reaches the absolute vacuum, the negative pressure sensor 14 gives a signal to the proportional valve 3, the proportional valve 3 is opened, the oil exchanges heat with a high-temperature refrigerant through the plate heat exchanger 4 of a connecting pipe (not shown), the heated oil enters the evaporating pot 17 to be evaporated, the bottom of the evaporating pot 17 is provided with the trace moisture sensor 18, the oil value monitored by the trace moisture sensor 18 in real time controls the opening degree of the proportional valve 3 according to the oil value of the trace moisture sensor 18 and the value of the temperature sensor 5, so that the oil passing through the plate heat exchanger 4 can be in an evaporating state, therefore, the maximum utilization rate of the efficiency of the plate heat exchanger 4 is ensured, and the online requirement can be met in real time. If the client requires high oil dewatering standard, at this time, only the micro sensor 18 needs to be set with parameters, the evaporator 17 liquid level sensor (not shown) is used for controlling the internal oil, at this time, the switch control valve 6 and the switch control valve 13 only need to be opened, the high-pressure pump 12 is in closed circulation until the client required parameters of the micro sensor 18 are reached, and then the high-pressure pump 12 discharges the oil.

The filtering system comprises a coarse filtering device 2 arranged at an oil inlet ball valve 1, and a fine filtering device 8 arranged at an on-off control valve 10 and a ball valve 9 of an oil outlet, wherein in the embodiment, the coarse filtering device 2 and the fine filtering device 8 are filtering exhaust valves; indeed, in other embodiments, other filtering devices may be used, and are not limited herein. Waste oil enters the coarse filtering device 2 through the waste oil inlet ball valve 1, enters the plate heat exchanger 4 for temperature rise, and then enters the evaporation tank 17 through a connecting pipeline (not shown) for oil-water evaporation and separation. Due to the low air pressure in the evaporation tank 17, the water in the waste oil is easily evaporated to form water vapor and is introduced into the condensation system 22 through a vapor outlet (not shown). The separated oil enters the fine filtering device 8 through an oil outlet switch control valve 13 at the bottom of the evaporation tank 17. The oil liquid meeting the oil outlet quality flows out through the oil outlet switch control valve 10 and the ball valve 9 and is stored, and other liquid or the oil liquid not meeting the quality is continuously evaporated through closed circulation until the oil liquid is qualified and then discharged.

In this embodiment, the filtering system is further provided with a detector (not shown) at the fine filtering device 8 to detect the impurity content in the oil, and determine whether the oil needs to be re-filtered according to the detection result, the detector is a particle counter, however, the air bubbles in the oil have an influence on the particle counter: the laser in the particle counter counts bubbles in the oil into impurities, and therefore, detection errors exist. Therefore, the high-pressure pump is arranged to eliminate air bubbles in the oil liquid, and the influence of the air bubbles can be minimized.

The oil filter with high detection accuracy effect is also provided with various types of valves, sensors and other structures, which should be known by those skilled in the art, and will not be described in detail herein.

In summary, the following steps:

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. An oil filter having an effect of high detection accuracy, comprising:

the filtering system is connected with the evaporating tank and is used for filtering oil, the filtering system comprises a high-pressure pump for discharging oil, and the high-pressure pump is connected with the evaporating tank;

the filtering system further comprises a coarse filtering device, a fine filtering device and a detecting device, wherein the high-pressure pump guides oil out of the evaporating tank to the fine filtering device, and the oil is detected by the detecting device.

2. The oil filter having high detection accuracy according to claim 1, wherein the heating and condensing cycle system includes a heating device, a plate heat exchanger, a condensing device, and a condenser, and a heat exchange medium is circulated in the heating and condensing cycle system.

3. The oil filter having an effect of high detection accuracy according to claim 2, wherein the heating means is a compressor, and the condensing means is an expansion valve, and the compressor and the expansion valve are connected to the plate heat exchanger and the condenser, respectively, to form a circulation line.

4. The oil filter having an effect of high detection accuracy according to claim 3, wherein a distilled water circulation system is connected to the condenser, and the pressure reducing means is provided on the distilled water circulation system; the condenser comprises an outer cylinder communicated with the distilled water circulating system, a middle cylinder arranged in the outer cylinder and a cold water pipe group arranged in the middle cylinder and communicated with the evaporating tank; the distilled water circulating system is connected with the outer cylinder and the cold water pipe group so as to circularly cool the distilled water entering the condenser in the tank.

5. The oil filter having an effect of high detection accuracy according to claim 4, wherein the pressure reducing means comprises a water ejector and a centrifugal water pump provided on the distilled water circulation system.

6. The oil filter with high detection accuracy as claimed in claim 1, wherein a defoaming diversion system is provided in the evaporation tank, and the defoaming diversion system comprises a diversion assembly and a diversion pipeline.

7. The oil filter with high detection accuracy as recited in claim 6, wherein the flow guide assembly comprises a plurality of flow guide heads arranged in a stacked configuration.

8. The oil filter having a high detection accuracy effect as claimed in claim 1, wherein the evaporation vessel comprises an upper vessel body and a lower vessel body opposed to each other, a head portion of the upper vessel body is provided with a steam outlet, and a bottom portion of the lower vessel body is provided with a concentrated liquid discharge port.